A pound of sodium metal in the river This is what happens when a pound of sodium hits water. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts The Mythbusters vs. Gorilla Glass Fire From Anti-Freeze? Cool Experiment Liquid Nitrogen Under Vacuum Which Caliber Can Bust Open a Lock? Weird – Cockroach Leg Stimulated With Music Gallium Spoon Melts In Hot Water